
A tender, juicy pepper steak stir-fry brings restaurant-quality Asian cuisine right to your home kitchen. Succulent strips of beef mingle with crisp rainbow peppers and caramelized onions in a rich, savory sauce that coats each bite perfectly. This satisfying one-pan meal delivers bold flavors while keeping preparation simple and cleanup minimal.
I've made this dish countless times for my family, and it never fails to impress. What I love most is how the peppers retain their crisp-tender bite while soaking up all those amazing flavors from the sauce.
Essential Ingredients For Success
- Premium beef sirloin or flank steak: Choose well-marbled cuts and slice against the grain for maximum tenderness.
- Multicolored bell peppers: Red adds sweetness, green provides earthiness, and yellow offers a mild flavor.
- Fresh ginger root: Look for firm pieces with smooth skin for the brightest flavor.
- Light and dark soy sauce: The combination creates depth and rich color.
- Aromatics: Fresh garlic and green onions build a flavorful foundation.
Creating Your Masterpiece
- Meat Preparation:
- Start by slicing your beef into thin, even strips against the grain. Pat dry with paper towels to ensure proper searing.
- Marination Magic:
- Combine soy sauces, minced garlic, and grated ginger. Toss with beef and let flavors develop for 15-30 minutes.
- Vegetable Preparation:
- Cut peppers and onions into uniform strips to ensure even cooking and visual appeal.
- The Perfect Sear:
- Heat your wok until smoking, then sear meat in small batches to develop a caramelized crust.
- Building Layers of Flavor:
- Add vegetables to the same pan, allowing them to pick up the meat's savory flavors.
- Sauce Creation:
- Thicken remaining marinade with cornstarch until glossy and coating the back of a spoon.
- Final Harmony:
- Reunite meat and vegetables, tossing gently in the thickened sauce until everything is well-coated.

My daughter particularly loves the sweetness of the red peppers in this dish. I've found that adding a touch of honey to the sauce makes it even more appealing to young palates while maintaining its authentic flavor profile.
Perfect Pairings
Transform your pepper steak into a complete feast by serving it alongside fluffy jasmine rice, which soaks up the delicious sauce perfectly. For a lower-carb option, cauliflower rice provides a similar satisfying experience.
Make It Your Own
Create endless variations by incorporating different vegetables like snow peas or mushrooms. For a spicier version, add fresh chilies or a splash of chili oil. Consider swapping the beef for chicken or shrimp for equally delicious results.
Keeping It Fresh
Store any leftovers in an airtight container for up to three days. When reheating, add a splash of water or broth to maintain the sauce's silky texture. The flavors often develop further overnight, making this dish excellent for meal prep.
After years of perfecting this recipe, I've found that the key to its success lies in the timing and temperature control. When you achieve that perfect balance of tender meat and crisp vegetables, all enrobed in a glossy sauce, you'll understand why this dish has become a beloved classic in both restaurants and home kitchens alike.

Frequently Asked Questions
- → What cut of beef is best for pepper steak?
- Flank steak is ideal, but you can also use sirloin or strip steak. Just make sure to slice it thinly against the grain for tenderness.
- → Can I make this ahead of time?
- Yes! You can slice the meat and vegetables ahead. The dish reheats well but tastes best fresh off the stove.
- → How do I make this gluten-free?
- Simply swap regular soy sauce for tamari or gluten-free soy sauce. Check that your oyster sauce is also gluten-free.
- → What can I serve with pepper steak?
- White rice is traditional, but it's also great with brown rice, noodles, or cauliflower rice for a low-carb option.
- → Can I use frozen peppers?
- Fresh peppers work best for crispness, but frozen peppers can work in a pinch. Just cook them a bit longer to remove excess moisture.